People & Events Find out more about the people and events featured in the film. People:        •   Alexander Graham Bell        •   Elisha Gray        •   Thomas Alva Edison        •   Thomas A. Watson Events:        •   Joseph Henry Lays the Groundwork for the Telephone        •   Bell Invents The Telephone        •   The Telephone Goes National The Film & More | Special Features | Timeline | Gallery | People & Events | Teacher's Guide The American Experience | Kids | Feedback | Search | Shop | Subscribe ©  New content 2000 PBS Online / WGBH